// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()

// 云函数入口函数
exports.main = async (event, context) => {
  console.log("event", event);
  var db = cloud.database();
  const wxContext = cloud.getWXContext()
  try {
    return await db.collection('emotional').where({
      [event.key]: event.value
    }).get();
  }
  catch (err) {
    console.log("失败", err);
  }
}